Basic Water Source for Most Alberta Tar Sands Could Run Dryhttp://apocadocs.com/s.pl?1443411821
"We show that the current and projected surface water allocations from the Athabasca River for the exploitation of the Alberta oil sands are based on an untenable assumption of the representativeness of the short instrumental record."...
Tar sands projects are already threatened by a slump in oil prices, as well as pending global action to address climate change. Tar sands drilling is a prominent target of environmental groups and climate activists because the oil emits an estimated three to four times more carbon dioxide when burned than conventional crude. Its water use only adds to the environmental costs.